Security device



FIG. 1 is a perspective view of the front and left sides taken from the bottom end showing the new design;

FIG. 2 is a perspective view of the back and right sides taken from the op end showing the new design;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top end view thereof; and,

FIG. 8 is a bottom end view thereof. 

CLAIM The ornamental design for a security device, as shown and described. 